The story takes place inside an old library and revolves around a magical bookmark that allows people to travel back in time through the books. Six young individuals find themselves going on an adventure of a lifetime when they encounter each other in the library.

Fun Facts

It is produced by Uni Media.

Jiao Shou Yi Xiao Xing loss 35 jin in four months for the sake of the role, earning him the nickname Jiao Shou (thin).